我有一个简单的超文本格式,用于推动网站搜索Im网站。
其中两个领域不应一起使用,例如汽车的“ake”和“模仿”。 例如,你不想有人寻找“Ford Ram卡车”。
我如何修改我的形式,以便如果选定一个领域的某些价值,另一个领域就会消失?
感谢你的帮助!
<select name="make">
<option value="item 1">item 1</option>
<option value="item 2">item 2</option>
</select>
<select name="model">
<option value="item 1">item 1</option>
<option value="item 2">item 2</option>
</select>
<input name="" type="submit" />
你们需要使用javascript,并了解无线电信 but的变化。
在你的 j中,你可以把任何形式要素的可见度定在隐蔽或可见(取决于你的意愿)。
您仍需对服务器方面进行验证/核对,以避免进行这种搜索(因为 j印可能被脱掉,或者恶意使用者可能凌驾于客户方验证之上)。
I think Chained Select Menu can solve your problem.
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